Hello,I am trying to conduct an experiment on somebody's weight affects how they are perceived. I have edited pictures of faces so that I have one chubby version and one skinny version. The participants will be shown an image of the person alongside a quote of what they are saying. The pictures and statements need to be randomised so that each person sees a different combination of faces and quotes. I have created a loop & merge function, with Field 1 as all the chubby faces, Field 2 as all the skinny faces and Field 3 as all the quotes. My question is: how I can ensure that a participant won't see the two versions of the same face in the loop and merge? Is there a way I can tell qualtrics to show either the face in Field 1 or Field 2? And then a random selection of these alongside the quotes in Field 3?I hope that makes sense. Any help would be GREATLY appreciated! Thank you!Emer

Is there a reason you're using the Loop and Merge function? How many possible variations do you have? Personally- If the number of varations was reasonable, would create each unique possible combo as it's own block and use the randomizer in the survey flow:This would allow you to control the number of times a face was exposed to the participant.

Randomising Question Choices

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